Valve



March 1,1927. F. A. PERRENOT VALVE Filed April 14, 1926 zmillll f. APerrezwi'.

. provements.

UNITED STATES.

summer: A. rnmnor, or six amoino, rnxns, assronoa or one-m1- 'ronUs'snLLJ. mun, or sex Anromo. TEXAS.

VALVE.

.Appllcation fljled April 14, ms. Serial m. 102,022.

This invention has reference to the foot valves or inlet valves of pumpsand has for its object the provision of means whereby the valve body orcasing may be very uickly opened when necessary to reach the interior inorder to clear the same of some obstruction or to renew the packing.Another object' of the invention is to provide a novel packing whichwill be held 1n place by the construction of the valve body andflmay beeasily renewed when/necessary. The invention is illustrated in theaccompanying drawingand will fort-h.

The fi ure of the drawing is a vertical sectional view of. a valveembodying my 1m- In the drawing, the reference numeral 1 indicates thelower end of 'a pump stock or barrel and 2 designates the upper part ofa valve casing orbody which" isthreaded onto the lower end of the pumpstock. The valve bod or casing includes a-st-rainer 3 which is s own asa casting having perforations 3 therethrough, but may be of anypreferred form,and is provided at" its upper end with hinge lugs 4;matin with hinge lugs 5 on the upper member of the valve casing 2 toreceive a hinge pin or pintle 6 whereby the strainer and the main bodyof the valve casing will be pivotally connected. At the opposite side ofthe valve casing, the upper body is provided with a projecting lockinglug 7, while the strainer is provided with a projection 8, asshown.Straps or links 9 are pivoted at their lower ends to the lug 8 and areadapted to extend upwardly therefrom at opposite sides of the lockinglug 7 and tolie against the side of the valve body 2, as shown. Pivotedbetween the upper ends of the links or straps 9 is a lever 10 having acam head 11 at its pivotal. end adapted to bear upon the locking lug 7.When the strainer is swun up against the lower end of the body 2, t elinks 9 will be brought into' the position illustrated at opposite sides'of the locking lug 7 and projecting.

above the same, the lever 10 being so disposed that the low part of thiscam head or eccentric will be presented tothe locking lug. The lever isthen swung upwardly so that the high part of the cam or eccentric willbe caused to bear upon the lockin lug and thereby draw the strainerupward y so that it will be brought into close engagement be hereinafterfully set or rabbet 14 which receives the lower side" of the gasket. Thegasket comprises a metal flat-sided ring 15'of a proper externaldiameter to seat in the rabbet or recess 14 and rest upon the lower wallof the same, the

with the valve body or the gasket interposed inner diameter of this ringbeing less than the diameter of the axially alined boresor openings 16and 17 in the strainer and the valve body respectively. Fitted upon themetallic rmg 15 is an elastic covering ring 18 which ismolded into theform shown so that it may be sprung over the inner edge of the gasketand be retained thereon by its own resiliency. This flexible ring orgasket member is constructed with an upper branch of such diameter thatits outer edge will be flush with the outer edge of the metal ring 15,

while an annular web depends from the inner edge of such upper member 19to pass through the bore of the ring 15 and termi-' nate in an annularlip or flange 20'bearing against the under side of the said ring. Thisgasket will be held in place by the pressure exerted thereon through theopposed surfaces of the strainer and the valve body whereby the gasketwill be clamped between said surfaces, as clearly shown in the drawing.The valve proper consists of 8 disk or plate 21 hinged, as at. 22, toone side of the body above the recess or rabbet 12 therein and havingits edge portions free so that in the normal position of the parts thevalve disk or plate will rest upon the gasket and cut off the flow intoand through the valve body. On the up stroke or working stroke of thepump piston, the suction will lift the valve so that the inflow of wateror other liquid will be permitted but when the suction stops upon theensuing stroke of the pump piston the valve at once drops by gravity sothat water drawn into the valve body and pump stock will be retainedtherein, eventually reaching the discharge port of the pump and flowingtherefrom.

From the foregoing description, taken in connection with theaccompanying drawing. it will be seen that I have provided-a very simpleand efficient means for closing the valve body while permitting ready"access thereto whenever repairs or renewal of parts maybe necessary. Thepeculiar form of gasket devised by me permits the flexible portion ofthe gasket to be readily renewed as occasion may demand while at thesame timevthe metallic rin which constitutes the core, so to speak, of te gasket imparts durability thereto so that the valve may be usedthrough-a long period without requiring any special attention. Theparticular means devised by me for lockin the valve casing in its closedposition is 'a' vantageous when an accumulation of sand or other foreignmatter chokes or fouls the valve sothat'the valve disk does not'seat.properly upon the gasket and, consequently, causes the pump to workinefficiently. W on it is necessary to clear the yalve casing of suchaccumulations, the

leveris simply swung downwardly so ead thatthe locking pressureof thecam upon the locking lug is released and a slight outward pull upon thelever will swing the ing an opening through its lower end and having anannular rabbet in the wall of said opening, a member hinged to the lowerend of the valve body and having-an opening to aline axially with theopening in the valve bod and an annular rabbet in the wall of saiopening, a gasket comprising a flat-' the upper side of the said ringand fittin in the rabbet in the valve 'body' and exten mg across theinner edge of the ring and under the lower side thereof, the" asket be-.

ing held solely by pressure exerte through a the hinged member,interengaging means on the hinged-member and the valve body for lockingthe hinged member to the valve body with a clamping pressure upon thegasket, and a valve disk mounted at the opening through the lower end ofthe valve body and seating upon the gasket'within the opening in. thevalve body. I v

2. The combination of a valve body, a member hinged thereto at one sideand provided with a projection at its opposite side, a locking lug onthe valve body, straps pivoted tothe projection on the hinged member'andadapted to extend therefrom at opposite sides of thelocking lug andterminate above 'the locking lug, a lever pivoted .between the upperends of said straps and hav-- ing a cam head to bear upon thelockinglug, a gasket held by and between the hinged member and the valvebody, and a valve disk mounted within gasket.

In testimony whereof I afiix my signature.

FREDERICK A. PERRENOT. '[L.S.].

the body to seat upon the

